Route Price Intelligence
Cheap Flights From Philadelphia to Washington Dc - Dulles
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$239
Deals From
$239
Usually Costs
$239 – $259
Lowest We've Seen
$179
Based on 3,474 price pointshigh confidence
Monthly Price Guide
Jan
$239
Feb
$239
Mar
$325
Apr
$296
May
$251
Jun
$239
Jul
$239
Aug
$239
Sep
$239
Oct
$239
Nov
$259
Dec
$252
Cheapest Average Expensive
Best Time to Fly from Philadelphia to Washington Dc - Dulles
The cheapest time to fly from Philadelphia to Washington Dc - Dulles is typically October, when fares average around $239. The most expensive month tends to be March at around $325. For the best deals, consider flying in October, January, February.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $17968 price checksWorst: $259